blob: b41e6667c0506495a92456fbc5e8562474450483 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
/**
* slibc — Yet another C library
* Copyright © 2015 Mattias Andrée (maandree@member.fsf.org)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <wchar.h>
# pragma GCC diagnostic ignored "-Wdiscarded-qualifiers"
/**
* Find the last occurrence of a wide character in
* a memory segment.
*
* For improved performace, use this function instead
* of `wcssrchr` if you already know the length of the
* string.
*
* This is a slibc extension added for completeness.
*
* @param segment The memory segment to search.
* @param c The sought after character.
* @param size The size of the memory segment.
* @return Pointer to the last occurrence of `c`,
* `NULL` if none were found.
*/
wchar_t* (wmemrchr)(const wchar_t* segment, wchar_t c, size_t size)
{
while (size--)
if (segment[size] == c)
return segment + size;
return NULL;
}
|
